Urgent calls from health experts to reduce antibiotic use on intensive farms are largely resisted by the agribusiness food lobby, who downplay its role in the spread of antibiotic resistance in humans. Tom Levitt reportsmore...

Experts want the weedkiller paraquat - poison of choice in many suicide attempts - to be added to a 'watch list' of dangerous substances. Why then is Syngenta fighting the proposals asks Keith Tyrell?more...

Plans for US-style mega-dairy farms in the UK are being heralded for their potential for reducing greenhouse gas emissions, but scaling up may create as many problems as it attempts to solve reports Tom Levittmore...